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updated compression levels for blocks of 256KB

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This commit is contained in:
Yann Collet 2018-05-18 17:17:12 -07:00
parent 63eeeaa1dd
commit b0b3fb517d
1 changed files with 21 additions and 21 deletions
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42
lib/compress/zstd_compress.c
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@ -3447,27 +3447,27 @@ static const ZSTD_compressionParameters ZSTD_defaultCParameters[4][ZSTD_MAX_CLEV
/* W, C, H, S, L, T, strat */
{ 18, 12, 13, 1, 5, 1, ZSTD_fast }, /* base for negative levels */
{ 18, 13, 14, 1, 6, 1, ZSTD_fast }, /* level 1 */
{ 18, 14, 13, 1, 5, 1, ZSTD_dfast }, /* level 2 */
{ 18, 16, 15, 1, 5, 1, ZSTD_dfast }, /* level 3 */
{ 18, 15, 17, 1, 5, 2, ZSTD_greedy }, /* level 4.*/
{ 18, 16, 17, 4, 5, 2, ZSTD_greedy }, /* level 5.*/
{ 18, 16, 17, 3, 5, 4, ZSTD_lazy }, /* level 6.*/
{ 18, 17, 17, 4, 4, 4, ZSTD_lazy }, /* level 7 */
{ 18, 17, 17, 4, 4, 8, ZSTD_lazy2 }, /* level 8 */
{ 18, 17, 17, 5, 4, 8, ZSTD_lazy2 }, /* level 9 */
{ 18, 17, 17, 6, 4, 8, ZSTD_lazy2 }, /* level 10 */
{ 18, 18, 17, 6, 4, 8, ZSTD_lazy2 }, /* level 11.*/
{ 18, 18, 17, 5, 4, 8, ZSTD_btlazy2 }, /* level 12.*/
{ 18, 19, 17, 7, 4, 8, ZSTD_btlazy2 }, /* level 13 */
{ 18, 18, 18, 4, 4, 16, ZSTD_btopt }, /* level 14.*/
{ 18, 18, 18, 4, 3, 16, ZSTD_btopt }, /* level 15.*/
{ 18, 19, 18, 6, 3, 32, ZSTD_btopt }, /* level 16.*/
{ 18, 19, 18, 8, 3, 64, ZSTD_btopt }, /* level 17.*/
{ 18, 19, 18, 9, 3,128, ZSTD_btopt }, /* level 18.*/
{ 18, 19, 18, 10, 3,256, ZSTD_btopt }, /* level 19.*/
{ 18, 19, 18, 11, 3,512, ZSTD_btultra }, /* level 20.*/
{ 18, 19, 18, 12, 3,512, ZSTD_btultra }, /* level 21.*/
{ 18, 19, 18, 13, 3,512, ZSTD_btultra }, /* level 22.*/
{ 18, 14, 14, 1, 5, 1, ZSTD_dfast }, /* level 2 */
{ 18, 16, 16, 1, 4, 1, ZSTD_dfast }, /* level 3 */
{ 18, 16, 17, 2, 5, 2, ZSTD_greedy }, /* level 4.*/
{ 18, 18, 18, 3, 5, 2, ZSTD_greedy }, /* level 5.*/
{ 18, 18, 19, 3, 5, 4, ZSTD_lazy }, /* level 6.*/
{ 18, 18, 19, 4, 4, 4, ZSTD_lazy }, /* level 7 */
{ 18, 18, 19, 4, 4, 8, ZSTD_lazy2 }, /* level 8 */
{ 18, 18, 19, 5, 4, 8, ZSTD_lazy2 }, /* level 9 */
{ 18, 18, 19, 6, 4, 8, ZSTD_lazy2 }, /* level 10 */
{ 18, 18, 19, 5, 4, 16, ZSTD_btlazy2 }, /* level 11.*/
{ 18, 19, 19, 6, 4, 16, ZSTD_btlazy2 }, /* level 12.*/
{ 18, 19, 19, 8, 4, 16, ZSTD_btlazy2 }, /* level 13 */
{ 18, 18, 19, 4, 4, 24, ZSTD_btopt }, /* level 14.*/
{ 18, 18, 19, 4, 3, 24, ZSTD_btopt }, /* level 15.*/
{ 18, 19, 19, 6, 3, 64, ZSTD_btopt }, /* level 16.*/
{ 18, 19, 19, 8, 3,128, ZSTD_btopt }, /* level 17.*/
{ 18, 19, 19, 10, 3,256, ZSTD_btopt }, /* level 18.*/
{ 18, 19, 19, 10, 3,256, ZSTD_btultra }, /* level 19.*/
{ 18, 19, 19, 11, 3,512, ZSTD_btultra }, /* level 20.*/
{ 18, 19, 19, 12, 3,512, ZSTD_btultra }, /* level 21.*/
{ 18, 19, 19, 13, 3,999, ZSTD_btultra }, /* level 22.*/
},
{ /* for srcSize <= 128 KB */
/* W, C, H, S, L, T, strat */